add a little spice to the CLI

[pmcelhaney]

• add a 🤖 to the REPL prompt
• rotating taglines
• copy edits in usage page

[changeset-bot]

🦋 Changeset detected

Latest commit: 2a69409

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
counterfact	Minor

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[coveralls]

Pull Request Test Coverage Report for Build 7270715810

• 0 of 52 (0.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.1%) to 82.025%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/server/repl.ts	0	1	0.0%
src/server/taglines.ts	0	51	0.0%

Totals
Change from base Build 7257494941:	-1.1%
Covered Lines:	2474
Relevant Lines:	3092

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💛 - Coveralls